Wind power generation fan model childrens DIY handcrafted assembly model childrens DIY educational science experiment gift

This is a science and education toy that generates electricity by wind powerProduct size: 15 cm *11 cm *8.5 cmProduct material: WoodThe principle of wind power generation is to convert wind energy into mechanical energy and then transform mechanical energy into electrical energy.The wind force is used to drive the fan to rotate. The fan drives the motor to rotate. The motor generates current, and then the bulb can light up.This is a science and education toy suitable for children to DIY.